Active04521272Private limited companyGrantham

GARTHPOOL UNDERWRITING LIMITED

Significant control: Rosie Francesca Garthwaite (25–50%), Jemima Victoria Garthwaite (25–50%) and 1 more

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

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What does Garthpool Underwriting Limited sell?

Registered activity: Non-life insurance (SIC 65120). We’re building product and service lists for UK companies. Get this one when it’s ready.

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01

Summary

Generated from filed data · no estimates

GARTHPOOL UNDERWRITING LIMITED is an active private limited company (company number 04521272) incorporated on 29 August 2002, registered in Grantham. Its registered activity is non-life insurance (SIC 65120). Accounts are on file at Companies House (full) but not yet parsed into this record.

There are 1,423 companies in non-life insurance in the UK with filed accounts; the median reports net assets of £30k and is 18 years old.

02

Ownership and control

3 active · 1 other
  • Miss Rosie Francesca Garthwaite
    Individual · since 27 March 2026
    • owns 25–50% of shares
    • holds 25–50% of voting rights
  • Miss Jemima Victoria Garthwaite
    Individual · since 27 March 2026
    • owns 25–50% of shares
    • holds 25–50% of voting rights
  • Mr William Tuzo Garthwaite
    Individual · since 27 March 2026
    • owns 25–50% of shares
    • holds 25–50% of voting rights
  • Sir William Mark Charles Garthwaite (Deceased)
    Individual · since 6 April 2016 · ceased 27 March 2026
    • owns 75–100% of shares
    • holds 75–100% of voting rights
    • can appoint or remove directors

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
29 August 200224 yrs ago
First accounts due
29 May 20048182 days overdue
Confirmation statement due
12 September 2027in 324 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 65120
Non-life insurance
Accounts type
Full
05

Financials

No accounts on record

Accounts exist on the register but their figures are not in this dataset yet.

06

Filing and accounts signals

Facts from the register · no rating
  • Incorporated five or more years agoIncorporated 29 August 2002
  • Accounts past their due dateDue 29 May 2004

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

07

Timeline

Newest first
  1. Confirmation statement duein 324 days
  2. First accounts due8182 days overdue
  3. Incorporated
08

Similar companies in Nottingham

Same activity (non-life insurance), closest in incorporation date
09

Reminders for GARTHPOOL UNDERWRITING LIMITED

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.